Privacy Policy

Effective Date: January 1, 2025 | Last Updated: March 1, 2025

1. Information Collection

We collect various types of information to provide and improve our services:

  • Personal Identification: When voluntarily provided, including email addresses for newsletter subscriptions or account creation.
  • Location Data: Precise geographic information (ZIP codes, city names) submitted for weather predictions.
  • Technical Information: Automatic collection of IP addresses, browser type, device information, and operating system through cookies and log files.
  • Usage Data: Pages visited, features used, prediction history, and interaction patterns through Google Analytics (GA4).

2. Data Usage

  • Deliver personalized snow day predictions based on location history
  • Improve prediction algorithms through machine learning analysis
  • Monitor service performance and troubleshoot technical issues
  • Send operational emails (service updates, security alerts)
  • Generate aggregated, non-identifiable reports for research

3. Third-Party Sharing

We share data with these verified partners under strict agreements:

Weather Data Providers

  • WeatherData - Location-based weather forecasting
  • OpenWeatherMap - Historical climate patterns

Analytics Services

  • Google Analytics - Usage tracking and behavior analysis
  • Hotjar - User interaction heatmaps

All third parties comply with GDPR and CCPA regulations.

4. Data Protection

We implement enterprise-grade security measures:

  • TLS 1.3 encryption for all data transmissions
  • Regular penetration testing and vulnerability scans
  • Role-based access controls with 2FA enforcement
  • Automated data backups with 30-day retention

5. User Rights

Under GDPR and CCPA, you have the right to:

  • Request access to your personal data
  • Demand rectification of inaccurate information
  • Withdraw consent for data processing
  • Request permanent deletion of all records
  • Obtain data portability in machine-readable format

To exercise these rights, contact our DPO:

privacy@snow-day-calculator.org

6. Policy Updates

We will notify users of material changes through:

  • Website banners for 30 days prior to changes
  • Email notifications for registered users
  • Version control history available on request